Roberts Gorden TF-250, TF-350, TF-300, TF-120 4.1 Coupling and Tube Assembly Continued, ± 2 5 cm

TF-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

Step 7.4.1 Coupling and Tube Assembly (Continued)

Tighten slide bar as shown below

	Drive Slide Bar until tight.
	End of Slide Bar should be
	within tolerance listed below.
	± 2" (5 cm)
Correct Slide Bar
dimensions	Incorrect Slide Bar
	position

•Repeat Step 7.4 A - D until all tubes are assembled. See Page 20, Section 7.4.2.

Step 7.4.2 Coupling and Tube Assembly (Continued)

	Minimum Tube Length
Model	Per Side
TF-120	20’ (6 m)
TF-160	20’ (6 m)
TF-200	30’ (9 m)
TF-250	40’ (12 m)
TF-300	50’ (15 m)
TF-350	50’ (15 m)
TF-380	60’ (18 m)

See recommended venting lengths on Page 34, Section 9, when using maximum tube lengths.

7' 6" ± 1'

(229 cm ± 25 cm)

10' Typ. ± 1'

(254 cm Typ ± 25 cm)

20